<template>
	<el-card class="box-card">
		<div slot="header" class="clearfix">
			<h1>相关推荐</h1>
		</div>
		<el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
			<el-submenu index="1">
				<template slot="title">
					<i class="el-icon-location"></i>
					<span slot="title">文档</span>
				</template>
				<el-menu-item-group>
					<span slot="title">分组一</span>
					<el-menu-item index="1-1">选项1</el-menu-item>
					<el-menu-item index="1-2">选项2</el-menu-item>
				</el-menu-item-group>
				<el-menu-item-group title="分组2">
					<el-menu-item index="1-3">选项3</el-menu-item>
				</el-menu-item-group>
				<el-submenu index="1-4">
					<span slot="title">选项4</span>
					<el-menu-item index="1-4-1">选项1</el-menu-item>
				</el-submenu>
			</el-submenu>
			<el-menu-item index="2">
				<i class="el-icon-menu"></i>
				<span slot="title">FAQ</span>
			</el-menu-item>
			<el-menu-item index="3" disabled>
				<i class="el-icon-document"></i>
				<span slot="title">工具下载</span>
			</el-menu-item>
			<el-menu-item index="4">
				<i class="el-icon-setting"></i>
				<span slot="title">导航四</span>
			</el-menu-item>
		</el-menu>
	</el-card>
</template>


<script>
	export default {
		data() {
			return {
				isCollapse: false
			};
		},
		methods: {
			handleOpen(key, keyPath) {
				console.log(key, keyPath);
			},
			handleClose(key, keyPath) {
				console.log(key, keyPath);
			}
		}
	}
</script>

<style lang="less" scoped>
	.el-menu-vertical-demo:not(.el-menu--collapse) {
		width: 300px;
		min-height: 300px;
	}
</style>